Model: 2533A1-3

Safety Relief Valve

Properties:

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
8.0 gallons per minute
Connection Style
G46a plain (tube) all ends
Connection Type
Threaded external tube 1st end
Features Provided
Pressure tight outlet side
Thready Qty Per Inch (tpi)
16 1st end
Maximum Operating Pressure
75.0 pounds per square inch single response
Thread Size
0.750 inches 1st end
Opening Pressure Setting
57.0 pounds per square inch
Outside Diameter Tube Accommodated
0.500 inches 1st end
Material
Aluminum alloy body
Material
Aluminum alloy seat
Media For Which Designed
Hydraulic fluid, phosphate-ester base single response
Surface Treatment
Anodize
Thread Series Designator
Unf 1st end
NSN
4820-00-889-8228
Part Number
2533A1-3
Description
Valve,safety Relief
CAGE
09790

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Part 2533A1-3 NSN 4820-00-889-8228

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
576
TCC:
Z
SHC:
Z
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Safety or relief valves

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